Rodarte Construction Inc Everett Station Parking Expansion

1 1-05.9 Equipment 2 The following new paragraph is inserted before the first paragraph: 3 4 Prior to mobilizing equipment on site, the Contractor shall thoroughly remove all loose dirt 5 and vegetative debris from drive mechanisms, wheels, tires, tracks, buckets and 6 undercarriage. The Engineer will reject equipment from the site until it returns clean. 7 8 This section is supplemented with the following: 9 10 Upon completion of the Work, the Contractor shall completely remove all loose dirt and 11 vegetative debris from equipment before removing it from the job site. 12 13 Section 1-06, Control of Material 14 January 7, 2019 15 1-06.1(3) Aggregate Source Approval (ASA) Database 16 This section is supplemented with the following: 17 18 Regardless of status of the source, whether listed or not listed in the ASA database the 19 source owner may be asked to provide testing results for toxicity in accordance with 20 Section 9-03.21(1). 21 22 1-06.2(2)D Quality Level Analysis 23 This section is supplemented with the following new subsection: 24 25 1-06.2(2)D5 Quality Level Calculation — HMA Compaction I 26 The procedures for determining the quality level and pay factor for HMA compaction are as 27 follows: 28 29 1. Determine the arithmetic mean, Xm, for compaction of the lot: 30 31 X = fix n 32 33 Where: 34 x = individual compaction test values for each sublot in the lot. 35 Zx= summation of individual compaction test values 36 n = total number test values 37 38 2. Compute the sample standard deviation, "S", for each constituent: 39 1 2 nXx2-(I,x) 2 40 S= n(n-1) 41 111 42 Where: 43 >Tx2= summation of the squares of individual compaction test values 44 (>x)2 = summation of the individual compaction test values squared City of Everett Page AM-4 Amendments Everett Station 80 Stall Parking Expansion June 2019 I